--- Modules/readline.c.orig	2023-09-16 00:37:47
+++ Modules/readline.c	2023-09-16 00:38:52
@@ -237,12 +237,8 @@ set_completion_display_matches_hook(PyObject *self, Py
        default completion display. */
     rl_completion_display_matches_hook =
         completion_display_matches_hook ?
-#if defined(_RL_FUNCTION_TYPEDEF)
         (rl_compdisp_func_t *)on_completion_display_matches_hook : 0;
-#else
-        (VFunction *)on_completion_display_matches_hook : 0;
 #endif
-#endif
     return result;
 
 }
@@ -838,9 +834,9 @@ setup_readline(void)
     rl_bind_key_in_map ('\t', rl_complete, emacs_meta_keymap);
     rl_bind_key_in_map ('\033', rl_complete, emacs_meta_keymap);
     /* Set our hook functions */
-    rl_startup_hook = (Function *)on_startup_hook;
+    rl_startup_hook = on_startup_hook;
 #ifdef HAVE_RL_PRE_INPUT_HOOK
-    rl_pre_input_hook = (Function *)on_pre_input_hook;
+    rl_pre_input_hook = on_pre_input_hook;
 #endif
     /* Set our completion function */
     rl_attempted_completion_function = (rl_completion_func_t *)flex_complete;